Gaya APA
Nurzein, Z. (1986).
Special English For Students of Economics, Banking, Accounting, Business & Commerce .
Jakarta:
UPK UPN Veteran.
Gaya MLA
Nurzein, Zachris.
"Special English For Students of Economics, Banking, Accounting, Business & Commerce".
Jakarta:
UPK UPN Veteran,
1986.
Buku.